Medium6.5Apache Software Foundation

Medium [CVE-2026-61487] Improper Authorization vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ

This medium-severity Apache Software Foundation advisory covers CVE-2026-61487 affecting Apache ActiveMQ Broker, Apache ActiveMQ All.

CVE-2026-61487 Published Jul 28, 2026Updated by vendor Jul 28, 2026

CVE-2026-61487

Affected products & platforms

Apache Software FoundationMessagingActiveMQ

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Summary

Improper Authorization vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ.

An authenticated low-privilege user can bypass a per-destination write ACL by sending to an ActiveMQ temporary composite destination whose physical name is a

comma-separated composite of real queues. This allows publishing messages to any of the destinations in the list without proper write ACL permissions because the authorization check is bypassed due to the composite destination being marked as temporary.

This issue affects Apache ActiveMQ Broker: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ All: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ: before 5.19.9, from 6.0.0 before 6.2.8.

Users are recommended to upgrade to version 5.19.9, 6.2.8 or 6.3.0, which fixes the issue.

Affected versions

6.0.0 through 6.2.8
6.0.0 through 6.2.8.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

5.19.9
6.2.8
6.3.0

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Users are recommended to upgrade to version 5.19.9, 6.2.8 or 6.3.0, which fixes the issue.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed for the summary, affected/fixed versions and remediation guidance it provides.
Apache Software Foundation
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2026-61487 instead of the raw feed document.
CVE Program

Cross-references

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CVE-2026-61487NVD CVE.org MITRE

Official resources

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